Hair dryer



FIG. 1 is a perspectives view of a hair dryer showing my new design;

FIG. 2 is a right elevational view;

FIG. 3 is a left elevational view;

FIG. 4 is a front elevational view;

FIG. 5 is a rear elevational view;

FIG. 6 is a top plan view; and,

FIG. 7 is a bottom plan view.

The broken lines in the drawing are for illustrative purposes only andform no part of the claimed design.

The ornamental design for a hair dryer, as shown and described.